- Agnathans: Lack jaws. Examples include lampreys and hagfish.
- Gnathostomes: Have jaws. This group includes all other vertebrates.
A diagnostic feature used for classifying vertebrate groups?
Presence or absence of jaws:
|
A diagnostic feature used for classifying vertebrate groups?
Presence or absence of jaws:
- Agnathans: Lack jaws. Examples include lampreys and hagfish. - Gnathostomes: Have jaws. This group includes all other vertebrates. |